hydrometer
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All CEFR A1 A2 B1 B2 C1 C2
Content locale
EN English BN Bengali HI Hindi ES Spanish FR French DE German RU Russian ZH Chinese JA Japanese
All Vocabulary Cards All Vocabularies
C2 noun /haɪˈdrɒmɪtər/

hydrometer

Meaning
An instrument used to measure the density or specific gravity of liquids.
Example
The brewer used a hydrometer to test the sugar content of the solution.
C2 adjective /həˈrɛtɪkəl/

heretical

Meaning
Relating to or characterized by departure from accepted beliefs or standards, especially in religion.
Example
The priest condemned the book as heretical.
C2 noun /ˈhaʊsˌbreɪkɪŋ/

housebreaking

Meaning
the crime of breaking into a house with intent to steal
Example
The thief was arrested for housebreaking.
C2 noun /ˈhæŋ.kər.ɪŋ/

hankering

Meaning
a strong desire or craving for something.
Example
She had a hankering for chocolate late at night.
C2 noun, verb /ˈhæmstrɪŋ/

hamstring

Meaning
a tendon at the back of the thigh; as a verb, to cripple or severely restrict the effectiveness of someone or something.
Example
Budget cuts hamstrung the organization’s plans.
C2 verb /ˈhɛnˌpɛk/

henpeck

Meaning
To continually criticize, nag, or dominate (especially a husband).
Example
He felt henpecked by his overly controlling wife.
C2 noun /ˈhɛʃ.ən/

Hessian

Meaning
a strong coarse fabric made from jute or hemp, used for sacks and wrapping
Example
The farmer stored grain in hessian sacks.
C2 noun /ˌhæŋ.ki ˈpæŋ.ki/

Hanky-Panky

Meaning
dishonest or suspicious activity; unethical behavior; trickery or deception
Example
The audit revealed some hanky-panky in the company's financial records.
C2 noun /hʌsk/

husk

Meaning
the dry outer covering of some fruits or seeds
Example
The corn husk was peeled away before cooking.
C2 noun /ˈhæbɪtjuːd/

habitude

Meaning
a customary condition or mode of life; habitual practice
Example
He lived in a quiet habitude, avoiding the noise of the city.
C2 noun /ˈhɑː.mə.li/

Homily

Meaning
a religious discourse delivered as part of a church service; a tedious moralizing lecture
Example
The priest delivered an inspiring homily about compassion and forgiveness during Sunday service.
C2 noun /ˈhoʊʒəri/

hosiery

Meaning
Stockings, socks, and other knitted clothing for the legs and feet.
Example
She bought new hosiery for the winter season.
C2 noun /ˈhɒɡz.hɛd/

hogshead

Meaning
A large cask or barrel, traditionally used for storing liquids like wine or beer.
Example
The cellar was filled with hogsheads of ale.
C2 noun /ˌhaɪdrəˈstætɪks/

hydrostatics

Meaning
The branch of science concerned with the mechanical properties of fluids at rest.
Example
Hydrostatics is essential in understanding how dams and reservoirs function.
C2 noun /ˈhɔːtɪnəs/

haughtiness

Meaning
The appearance or quality of being arrogantly superior and disdainful.
Example
His haughtiness made him unpopular among his peers.
C2 noun ˌhiː.məˈfɪl.i.ə

hemophilia

Meaning
A medical condition in which the ability of the blood to clot is severely reduced, causing the sufferer to bleed severely from even a slight injury.
Example
Hemophilia treatment benefits from genetic editing.
C2 noun /ˌhaɪpəˈkɒndrɪæk/

hypochondriac

Meaning
a person who is excessively worried about having a serious illness
Example
She is a hypochondriac who visits the doctor every week.
C2 noun /ˈhaɪərlɪŋ/

hireling

Meaning
A person who works for payment only, often with little loyalty or principle.
Example
The mercenary was dismissed as just a hireling with no real loyalty.
C2 noun /oʊˈtɜːr/

hauteur

Meaning
disdainful pride; arrogance
Example
His hauteur made it difficult for others to approach him.
C2 noun /ˌhjuː.mɪ.fɪˈkeɪ.ʃən/

humification

Meaning
The process of organic matter decomposition to form humus in soil.
Example
Humification enhances soil structure and fertility.
C2 verb /ˈhɛktər/

hector

Meaning
To talk to someone in a bullying or intimidating way.
Example
The manager hectored the staff into working overtime.
C2 noun /ˈhaɪdrə/

hydra

Meaning
a many-headed serpent in Greek mythology; a problem that seems to grow worse when attempts are made to solve it
Example
Corruption is like a hydra, hard to defeat completely.
C2 noun /ˈhʌm.ək/

hummock

Meaning
A small hill, mound, or ridge of earth or ice.
Example
The hikers rested on a grassy hummock by the river.
C2 adjective /ˈhɔːrtətɪv/

hortative

Meaning
Giving strong encouragement or urging.
Example
The teacher gave a hortative speech to motivate the students before the exam.
C2 adjective /hɪk/

Hick

Meaning
unsophisticated person from a rural area; country bumpkin
Example
He had a hick accent from growing up in a small town.
C2 verb /həˈræŋ/

harangue

Meaning
to deliver a long, passionate, and often angry speech
Example
The politician harangued the crowd for over an hour.
C2 verb /ˈhɑːrtən/

hearten

Meaning
To give courage, confidence, or hope.
Example
The teacher’s encouragement heartened the students.
C2 adjective /ˌhaɪpəˈdɜːrmɪk/

hypodermic

Meaning
relating to the region immediately beneath the skin; also refers to a type of needle or syringe used to inject drugs beneath the skin.
Example
The doctor used a hypodermic needle to administer the vaccine.
C2 adjective/noun /haɪˈbɜːrniən/

hibernian

Meaning
Relating to Ireland or the Irish.
Example
He enjoyed reading about Hibernian culture and history.
C2 noun /ˈhɔɪdən/

hoyden

Meaning
a boisterous or tomboyish girl
Example
The hoyden preferred climbing trees to playing with dolls.
C2 noun /ˈhʌvəl/

hovel

Meaning
a small, poorly built, and dirty house
Example
The refugees lived in a makeshift hovel.
C2 noun /ˈhɛdʒɪrə/ or /hɪˈdʒaɪrə/

hegira

Meaning
a journey, especially when undertaken to escape from a dangerous or undesirable situation
Example
The refugees began their hegira across the desert.
C2 adjective /ˈhaɪd.baʊnd/

hidebound

Meaning
unwilling or unable to change because of tradition or convention
Example
He is too hidebound to accept new ideas.
C2 adjective /ˈhaɪndmoʊst/

hindmost

Meaning
Farthest back; last in position.
Example
The hindmost car in the convoy broke down first.
C2 verb /həˈbɪtʃuˌeɪt/

habituate

Meaning
to make someone accustomed to something
Example
The monks habituated themselves to meditation.
C2 noun /hæp/

hap

Meaning
luck, fortune, or chance occurrence
Example
By sheer hap, he discovered the old letter hidden in the drawer.
C2 noun /ˈhɑːr.bɪn.dʒər/

Harbinger

Meaning
a person or thing that announces or signals the approach of another; a forerunner of something
Example
The first robin of spring is often considered a harbinger of warmer weather to come.
C2 noun /ˌhɜːrpəˈtɒlədʒɪst/

herpetologist

Meaning
A scientist who studies reptiles and amphibians.
Example
The herpetologist discovered a new species of frog in the rainforest.
C2 verb /ˈhæroʊ/

harrow

Meaning
to cause distress or torment; also to break up and smooth soil with a farm tool
Example
The tragic news harrowed the entire family.
C2 adjective /ˈhʌski/

husky

Meaning
deep, rough, and slightly hoarse voice; also refers to a strong and sturdy build
Example
He spoke in a husky voice after shouting all day.
C2 adjective /ˈhaɪˌbraʊ/

highbrow

Meaning
intellectually superior or cultured; often describing art, literature, or activities appealing to intellectual tastes
Example
The museum is known for its highbrow exhibitions.
C2 noun /ˌhaɪpəkəˈnektɪvɪti/

hyperconnectivity

Meaning
The state of being extensively connected to other people, places, information, etc., through digital technology.
Example
Hyperconnectivity has changed the dynamics of human interaction.
C2 verb /ˈhæri/

harry

Meaning
to constantly attack, harass, or annoy
Example
The army harried the enemy with sudden raids.
C2 adjective /ˌhɪstriˈɒnɪk/

histrionic

Meaning
Overly dramatic or theatrical in behavior or style.
Example
Her histrionic reaction to the small problem surprised everyone.
C2 noun /hʊˈzɑːr/

hussar

Meaning
a member of a light cavalry regiment in European armies, especially the Hungarian cavalry
Example
The hussar rode swiftly across the battlefield.
C2 noun /ˈheɪ.deɪ/

Hey day

Meaning
the period of a person's or thing's greatest success, popularity, or vigor; prime time
Example
During her heyday as a singer, she performed in sold-out concerts around the world.
C2 adjective /ˈhɛtərəˌdɒks/

heterodox

Meaning
not conforming with accepted or orthodox standards or beliefs
Example
The professor was known for his heterodox views on religion.
C2 noun /ˈhɑːstəlri/

hostelry

Meaning
An inn or lodging place, especially one for travelers.
Example
They stayed at a small hostelry near the mountains.
C2 noun /haɪˈdrɒl.ɪ.sɪs/

hydrolysis

Meaning
A chemical process that breaks down compounds by adding water, splitting complex molecules into simpler forms.
Example
Hydrolysis breaks down complex molecules into simpler forms.
C2 noun /ˌhaɪdroʊdaɪˈnæmɪks/

hydrodynamics

Meaning
The branch of science concerned with the motion of fluids, especially liquids, and the forces acting on solid bodies immersed in fluids.
Example
Hydrodynamics is essential in designing efficient ship hulls.
C2 adjective /ˈhæŋ.dɔːɡ/

hangdog

Meaning
looking or feeling ashamed, guilty, or defeated.
Example
He gave me a hangdog look after being caught lying.
C2 adjective /ˈhæriːd/

harried

Meaning
feeling strained or stressed due to being overworked or constantly bothered
Example
The harried teacher struggled to calm the noisy classroom.
C2 adjective /ˌhæfˈhɑːr.tɪd/

halfhearted

Meaning
lacking enthusiasm or determination; unenthusiastic
Example
His halfhearted attempt to study did not bring good results.
C2 noun /ˈhɛptɑːrki/

heptarchy

Meaning
A group of seven rulers or governments, especially the seven Anglo-Saxon kingdoms in early England.
Example
The history book described the heptarchy of Anglo-Saxon England.
C2 noun /ˈhelmz.mən/

Helmsman

Meaning
a person who steers a ship or boat; the person at the helm of a vessel
Example
The experienced helmsman skillfully guided the yacht through the narrow channel during the storm.
C2 noun /ˈhɒdʒ.pɒdʒ/

hodgepodge

Meaning
A confusing mixture of different things; a jumble.
Example
The essay was a hodgepodge of unrelated ideas.
C2 verb /ˈhɑːbəl/

hobble

Meaning
to walk awkwardly with difficulty, usually due to injury
Example
He hobbled across the room after twisting his ankle.
C2 noun /hɜːrs/

Hearse

Meaning
a vehicle for conveying the coffin at a funeral; a funeral car
Example
The black hearse slowly made its way to the cemetery, followed by a procession of mourners.
C2 noun /ˈhæbɪtənt/

habitant

Meaning
An inhabitant; a person or animal that lives in a particular place.
Example
The habitants of the village were friendly and welcoming.
C2 noun /ˈhɔːzər/

hawser

Meaning
A thick rope or cable used in mooring or towing a ship.
Example
The sailors secured the ship to the dock with a heavy hawser.
C2 adjective /ˈhæm ˌhændɪd/

ham-handed

Meaning
clumsy or inept in handling things or situations
Example
His ham-handed attempt to fix the computer made it worse.
C2 noun /ˈhɪl.sə fɪʃ/

Hilsa fish

Meaning
a popular fish species found in South Asian rivers, especially prized in Bengali cuisine
Example
Hilsa fish is considered a delicacy in Bengali culture.
C2 noun /ˈhjuːməs/

humus

Meaning
The dark, organic material in soil formed from decayed plants and animals.
Example
The gardener enriched the soil with humus to improve plant growth.
C2 verb /həˈmɑː.dʒə.naɪz/

homogenize

Meaning
To make uniform or similar by blending or mixing different elements.
Example
The company tried to homogenize its products across global markets.
C2 noun /hɜːrˈbɛəriəm/

herbarium

Meaning
A collection of preserved plant specimens and associated data used for scientific study.
Example
The university maintains a large herbarium for research and education.
C2 adjective /ˌhɜːrkjʊˈliːən/

herculean

Meaning
Requiring great strength or effort; very difficult to perform.
Example
It was a herculean task to rebuild the city after the disaster.
C2 adjective /heɪl/

hale

Meaning
strong and healthy, especially of an elderly person
Example
Despite his age, the man remained hale and active.
C2 noun /ˈhʌk.stər/

huckster

Meaning
A person who sells small items aggressively, often in a showy or dishonest way.
Example
The huckster loudly promoted his goods in the busy marketplace.
C2 noun /ˈhen.ə/

Henna

Meaning
a reddish-brown dye made from the powdered leaves of a tropical shrub, used to color hair and decorate skin
Example
The bride's hands were beautifully decorated with intricate henna patterns for her wedding ceremony.
C2 verb /ˈhʊdwɪŋk/

hoodwink

Meaning
To deceive or trick someone.
Example
The scammer hoodwinked many people with false promises.
C2 noun /ˈhɑːdɪhʊd/

hardihood

Meaning
Courage, boldness, or daring behavior; also physical robustness.
Example
The mountaineer's hardihood impressed the entire team.
C2 noun /ˈhɪlək/

hillock

Meaning
A small hill or mound.
Example
The children climbed up the grassy hillock to watch the sunset.
C2 noun /ˌhoʊmə.dʒəˈniːəti/

homogeneity

Meaning
The quality or state of being all the same or all of the same kind.
Example
The cultural homogeneity of the village made it feel unified.
C2 noun /hɪˈdʒɛməni/ or /ˈhɛdʒəmoʊni/

hegemony

Meaning
leadership or dominance, especially by one state or group over others
Example
The empire maintained its hegemony over neighboring states.
C2 noun /hɒtʃ pɒtʃ/

Hotch potch

Meaning
A mixed dish; a hodgepodge of ingredients cooked together
Example
She made a delicious hotch potch with rice, lentils, and vegetables.
C2 adjective /hərˈmɛtɪk/

hermetic

Meaning
Completely sealed, especially so that no air can enter or escape.
Example
The medicine was kept in a hermetic container.
C2 noun /ˈhækəlz/

hackles

Meaning
the hairs on the back of an animal’s neck that rise when it is angry or alarmed; figuratively, feelings of anger or resentment
Example
His rude comment raised my hackles.
C2 noun /ˈhɒthɛd/

hothead

Meaning
a person who acts quickly and without thinking when angry
Example
He is such a hothead that he often starts arguments.
C2 adjective /ˈhaɪdrəs/

hydrous

Meaning
Containing water, especially water of crystallization.
Example
The mineral is hydrous because it contains water molecules in its structure.
C2 verb /ˈhɑːrkən/

hearken

Meaning
To listen attentively; to give heed.
Example
He would hearken to his mentor’s advice before making decisions.
C2 adjective /ˌhaɪpərˈbɔːriən/

hyperborean

Meaning
Relating to the extreme north; very cold or frigid.
Example
The explorers prepared for the hyperborean climate of the Arctic.
C2 noun phrase /ˌhjuː ən ˈkraɪ/

hue and cry

Meaning
A loud public outcry or protest, often demanding action.
Example
There was a hue and cry over the new policy changes.
C2 noun /ˈhɔːθɔːrn/

hawthorn

Meaning
A thorny shrub or small tree with white or pink flowers, often used for hedges.
Example
The garden was lined with blooming hawthorn bushes.
C2 adjective /ˌhɛtərəʊˈmɔːrfɪk/

heteromorphic

Meaning
Having different forms or shapes, especially in the same species or organism.
Example
Butterflies are heteromorphic during their life cycle, changing forms from larva to adult.
C2 noun /ˈhɛfər/

heifer

Meaning
a young cow that has not borne a calf
Example
The farmer raised a heifer for dairy production.
C2 noun /hæɡ/

Hag

Meaning
an ugly old woman, especially a vicious or malicious one; a witch
Example
In the fairy tale, the wicked hag lived alone in a cottage deep in the forest.
C2 adjective /həˈmɑː.lə.ɡəs/

homologous

Meaning
Having the same relation, relative position, or structure, especially due to evolutionary origin.
Example
The wings of bats and the arms of humans are homologous structures.
C2 noun /ˈhɑːtʃ.pɑːtʃ/

Hotchpotch

Meaning
a confused mixture; a jumbled assortment of things
Example
The room was a hotchpotch of old furniture, books, and random decorations.
C2 noun /ˈhæŋ.kər/

Hanker

Meaning
a feeling of yearning or craving; a strong desire for something
Example
After years abroad, she developed a deep hanker for her homeland's traditional cuisine.
C2 adjective /haɪˈbɜːrnəl/

hibernal

Meaning
Relating to or occurring in winter.
Example
The hibernal season is often harsh in the mountains.
C2 noun /hɑrˈmoʊniəm/

Harmonium

Meaning
a keyboard musical instrument similar to an organ, using air to produce sound
Example
She played devotional songs on the harmonium at the temple.
C2 verb /ˈhɜːrtl/

hurtle

Meaning
To move or cause to move at great speed, often in a dangerous way.
Example
The car hurtled down the mountain road.
C2 noun /ˌhaɪdroʊˈfoʊbiə/

hydrophobia

Meaning
Extreme or irrational fear of water; historically, another name for rabies.
Example
After being bitten by a stray dog, the man was treated for hydrophobia.
C2 noun /ˈhæknɪ/

hackney

Meaning
a horse kept for ordinary riding or hire; also used for something overused or trite
Example
The old hackney was still pulling the carriage.
C2 noun /ˈhɛptəˌɡɒn/

heptagon

Meaning
A polygon with seven sides and seven angles.
Example
The math teacher drew a heptagon on the board.
C2 noun /hɪˈlærɪti/

hilarity

Meaning
Extreme amusement, especially when expressed by laughter.
Example
The movie caused great hilarity among the audience.
C2 verb /hjuː/

hew

Meaning
To chop or cut something, especially wood or stone, with a tool.
Example
The workers hewed logs to build the cabin.
C2 verb /haɪ/

hie

Meaning
to go quickly; hasten
Example
He hied to the station to catch the train.
C2 noun /haɪnd/

Hind

Meaning
a female deer, especially a red deer
Example
The hind protected her fawn from predators.
C2 verb /ˈhæloʊ/

hallow

Meaning
to honor as holy; to make sacred or greatly respected
Example
The ancient temple was hallowed by centuries of worship.
C2 noun /ˈhænd ˌrɪŋɪŋ/

hand-wringing

Meaning
excessive worry or concern expressed in a visible or dramatic way.
Example
There was much hand-wringing over the political crisis.
C2 noun /ˈhɛksəˌpɒd/

hexapod

Meaning
An insect or other organism with six legs.
Example
The scientist observed a hexapod crawling on the leaf.
C2 verb /haɪˈpɒθɪkeɪt/

hypothecate

Meaning
to pledge something, such as property, as security for a debt without giving up possession of it.
Example
The company hypothecated its assets to secure the loan.
C2 adjective /ˈhɔːrtətɔːri/

hortatory

Meaning
Intended to encourage or urge to action.
Example
The manager’s hortatory words inspired the team to work harder.
C2 noun /ˈhæk.ni ˈkær.ɪdʒ/

Hackney carriage

Meaning
A taxi; a car licensed to carry passengers for hire
Example
I called a hackney carriage to get to the airport.
C2 noun /ˈhɔːrs.liːt͡ʃ/

Horse-leach

Meaning
a large species of leech that was traditionally used in veterinary medicine
Example
The veterinarian explained that horse-leach was once commonly used to treat horses.
C2 verb (past tense, past participle), adjective /ˈhæmstrʌŋ/

hamstrung

Meaning
crippled or severely restricted in movement or progress.
Example
The team was hamstrung by lack of resources.
C2 noun /ˌhɛtərəʤəˈniːɪti/

heterogeneity

Meaning
the quality or state of being diverse in character or content
Example
The cultural heterogeneity of the city makes it vibrant and unique.
C2 noun /ˈhʌmbʌɡ/

humbug

Meaning
Deceptive or false talk or behavior; nonsense.
Example
He dismissed the idea as humbug.
C2 noun ˈhɑːrbərɪdʒ

harborage

Meaning
A place of shelter or refuge for pests or animals.
Example
Pests need a harborage site to survive and breed.
C2 adjective /ˌhæfˈbeɪkt/

half-baked

Meaning
poorly thought out or badly planned
Example
The manager quickly rejected his half-baked proposal.
C2 noun /ˌhæŋ.ər ˈɒn/

hanger-on

Meaning
a person who spends time with a powerful or famous person to gain benefits.
Example
The celebrity was always surrounded by hangers-on.
C2 noun /ˈhɛklər/

heckler

Meaning
A person who interrupts a speaker with rude or aggressive comments.
Example
The politician remained calm despite the heckler shouting from the crowd.
C2 noun /ˌhaɪdroʊməˈkænɪks/

hydromechanics

Meaning
The study of the mechanical properties and behavior of fluids in motion and at rest.
Example
Hydromechanics provides the foundation for naval architecture.
C2 adjective /hɛkˈsæŋɡjələr/

hexangular

Meaning
Having six angles or corners.
Example
The artist designed a hexangular frame for the mirror.
C2 noun /ˈhɜːrmɪtɪdʒ/

hermitage

Meaning
A secluded residence or retreat, often for a hermit or religious recluse.
Example
The monk spent years in a hermitage deep in the forest.
C2 noun /ˈhaɪərəˌɡlɪf/

hieroglyph

Meaning
A picture or symbol used in ancient writing systems, especially Egyptian writing.
Example
The walls of the temple were covered in hieroglyphs.
C2 noun /hoʊ/

Hoe

Meaning
a gardening tool with a thin metal blade used for breaking up soil and removing weeds
Example
The farmer used a hoe to remove weeds from his vegetable garden.
C2 noun /hæˈʃiːʃ/

hashish

Meaning
a drug made from the resin of the cannabis plant
Example
The police arrested him for possessing hashish.
C2 adjective /ˌhaɪpərˈkrɪtɪkl/

hypercritical

Meaning
Excessively or unreasonably critical.
Example
The teacher was often hypercritical of small mistakes.
C2 noun /ˈhɔːrn.bɪl/

Hornbill

Meaning
a large tropical bird with a large curved beak and often a horn-like projection
Example
The colorful hornbill perched on the highest branch.